162894820 has 48 divisors (see below), whose sum is σ = 376923456. Its totient is φ = 58640000.

The previous prime is 162894791. The next prime is 162894821. The reversal of 162894820 is 28498261.

It is not an unprimeable number, because it can be changed into a prime (162894821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18555 + ... + 25885.

It is an arithmetic number, because the mean of its divisors is an integer number (7852572).

Almost surely, 2^162894820 is an apocalyptic number.

162894820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162894820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188461728).

162894820 is an abundant number, since it is smaller than the sum of its proper divisors (214028636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162894820 is a wasteful number, since it uses less digits than its factorization.

162894820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7452 (or 7450 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 162894820 is about 12763.0255033828. The cubic root of 162894820 is about 546.1380366331.

The spelling of 162894820 in words is "one hundred sixty-two million, eight hundred ninety-four thousand, eight hundred twenty".